51051106110500 has 48 divisors (see below), whose sum is σ = 111501885331200. Its totient is φ = 20419294168800.

The previous prime is 51051106110479. The next prime is 51051106110503. The reversal of 51051106110500 is 501160115015.

It is a self number, because there is not a number n which added to its sum of digits gives 51051106110500.

It is not an unprimeable number, because it can be changed into a prime (51051106110503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6057731 + ... + 11781269.

It is an arithmetic number, because the mean of its divisors is an integer number (2322955944400).

Almost surely, 2^{51051106110500} is an apocalyptic number.

51051106110500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51051106110500 is an abundant number, since it is smaller than the sum of its proper divisors (60450779220700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51051106110500 is a wasteful number, since it uses less digits than its factorization.

51051106110500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741397 (or 5741385 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 51051106110500 its reverse (501160115015), we get a palindrome (51552266225515).

The spelling of 51051106110500 in words is "fifty-one trillion, fifty-one billion, one hundred six million, one hundred ten thousand, five hundred".